A crossbeam support structure for automobile instrument panel

Abstract

The utility model belongs to the field of automobile technology, and specifically refers to a crossbeam support structure of an automobile dashboard, including a main support, wherein the main support includes a sheet metal main crossbeam, a vertical connector, and a wrapping plastic shell and a longitudinal connector integrally injection-molded on the sheet metal main crossbeam, wherein the vertical connector and the wrapping plastic shell are split structures and the two are fixed by a connecting assembly. The utility model has a simple structure and a reasonable design. By designing the vertical connector and the wrapping plastic shell as a split structure, it not only effectively optimizes the manufacturing process, but also controls the mold process and mold equipment costs within a reasonable range.

Description

Technical field:

[0001] The utility model belongs to the technical field of automobiles, in particular to a crossbeam support structure of an automobile instrument panel. Background technology:

[0002] The existing Chinese invention patent application (application announcement number CN115476935A) discloses a sheet metal embedded injection molding structure of a cross beam bracket of an automobile instrument panel, which includes a main bracket, the main bracket includes a sheet metal main cross beam, a longitudinal connector and a vertical connector, the longitudinal connector and the vertical connector are both plastic parts, and the sheet metal main cross beam is placed in a mold as an insert to form a main bracket by integral injection molding. That is, the above structure uses the longitudinal connector and the vertical connector as an integral structure to be injection molded on the sheet metal main cross beam, although it simplifies the entire manufacturing process, but because the longitudinal connector and the vertical connector are set in different directions, integrating them into one mold for injection molding requires extremely high mold technology requirements and expensive mold equipment costs, and simplifying the manufacturing process seems to be more costly than gain. Summary of the invention:

[0003] The purpose of the utility model is to provide a car dashboard crossbeam bracket structure, which designs the vertical connector and the wrapped plastic shell into a split structure, which not only effectively optimizes the manufacturing process, but also controls the mold process and mold equipment costs within a reasonable range.

[0004] The utility model is achieved in this way:

[0005] A car dashboard crossbeam support structure includes a main support, wherein the main support includes a sheet metal main crossbeam, a vertical connector, and a wrapping plastic shell and a longitudinal connector integrally injection-molded on the sheet metal main crossbeam. The vertical connector and the wrapping plastic shell are split structures and the two are fixed by a connecting component.

[0006] In the above-mentioned automobile dashboard crossbeam bracket structure, the connecting component includes a positioning column formed by extending vertically downward from the bottom surface of the wrapping plastic shell, and a connecting screw hole opened on the bottom surface of the wrapping plastic shell. The top of the vertical connecting piece is provided with a plug hole that is plugged into and cooperates with the positioning column, and a connecting through hole corresponding to the position of the connecting screw hole. The fastening screw passes through the connecting through hole and is screwed into the connecting screw hole to fix the vertical connecting piece to the wrapping plastic shell.

[0007] In the above-mentioned automobile instrument panel crossbeam support structure, the main support also includes a vertical alloy connector, the vertical alloy connector and the wrapping plastic shell are split structures and the two are fixed by a second connecting component.

[0008] In the above-mentioned automobile dashboard crossbeam bracket structure, the second connecting component includes a matching slot opened on the bottom surface of the wrapping plastic shell, a longitudinal through hole opened on the front and rear side walls of the matching slot, and two connecting screw holes opened on the wrapping plastic shell located on both sides of the matching slot, and the longitudinal through holes on the front and rear side walls of the matching slot are staggered left and right, and the top of the vertical alloy connector is provided with a plug-in protrusion that can be inserted into the matching slot, and the plug-in protrusion is provided with longitudinal screw holes corresponding to the positions of the longitudinal through holes one by one, and the top of the vertical alloy connector is provided with two connecting through holes corresponding to the positions of the two connecting screw holes, a fastening screw passes through the longitudinal through hole and is screwed in the longitudinal screw hole, and a fastening screw passes through the second connecting through hole and is screwed in the second connecting screw hole, so as to realize the fixation of the vertical alloy connector and the wrapping plastic shell.

[0009] In the above-mentioned automobile dashboard crossbeam bracket structure, the main bracket also includes a longitudinal connecting auxiliary part, which is formed by a wrapping plastic shell extending forward along the longitudinal direction, and the longitudinal front end of the longitudinal connecting auxiliary part is fixedly connected to the longitudinal connecting part or the wrapping plastic shell through a connecting component three.

[0010] In the above-mentioned automobile dashboard crossbeam bracket structure, the connecting component three includes three connecting screw holes and two plug-in holes opened on the wrapping plastic shell or the longitudinal connecting part, and the longitudinal connecting auxiliary part is provided with three connecting through holes corresponding to the position of the three connecting screw holes, and two positioning columns plugged into and matched with the two plug-in holes.

[0011] The outstanding advantages of the utility model compared with the prior art are:

[0012] The utility model has a simple structure and a reasonable design. By designing the vertical connecting piece and the wrapped plastic shell into a split structure, it not only effectively optimizes the manufacturing process, but also can control the mold process and mold equipment costs within a reasonable range. Description of the drawings:

[0013] Figure 1 It is an overall stereogram of the utility model;

[0014] Figure 2 It is an overall exploded view of the utility model.

[0015] In the figure: 1. sheet metal main beam; 2. vertical connector; 3. wrapped plastic shell; 4. longitudinal connector; 5. positioning column one; 6. plug-in hole one; 7. connecting through hole one; 8. vertical alloy connector; 9. longitudinal through hole; 10. plug-in convex part; 11. longitudinal screw hole; 12. connecting through hole two; 13. longitudinal connecting auxiliary part; 14. connecting screw hole three; 15. plug-in hole two; 16. connecting through hole three; 17. positioning column two. Specific implementation method:

[0016] The present invention is further described below with reference to specific embodiments. Figure 1 —2:

[0017] A car dashboard crossbeam support structure includes a main support, the main support includes a sheet metal main crossbeam 1, a vertical connector 2, and a wrapping plastic shell 3 and a longitudinal connector 4 integrally injection-molded on the sheet metal main crossbeam 1, the vertical connector 2 and the wrapping plastic shell 3 are split structures and the two are fixed by a connecting component.

[0018] The utility model has a simple structure and a reasonable design. By designing the vertical connecting piece 2 and the wrapping plastic shell 3 as a split structure, it not only effectively optimizes the manufacturing process, but also controls the mold process and mold equipment costs within a reasonable range.

[0019] Furthermore, the connection component 1 can adopt a riveting structure, and in the present embodiment, the connection component 1 includes a positioning pin 5 formed by extending vertically downward from the bottom surface of the wrapping plastic shell 3, and a connecting screw hole 1 opened on the bottom surface of the wrapping plastic shell 3. The top of the vertical connector 2 is provided with a plug hole 6 plugged with the positioning pin 5, and a connecting through hole 7 corresponding to the position of the connecting screw hole 1. The fastening screw passes through the connecting through hole 7 and is screwed into the connecting screw hole 1 to fix the vertical connector 2 to the wrapping plastic shell 3.

[0020] At the same time, compared with the prior art in which the magnesium alloy insert is fixed by one-piece injection molding, which increases the mold process requirements and mold equipment costs, the utility model adopts a split structure, that is, the main bracket also includes a vertical alloy connector 8, and the vertical alloy connector 8 and the wrapping plastic shell 3 are a split structure and the two are fixed by connecting component two.

[0021] Furthermore, the connecting component can be a common riveting structure, and in the present embodiment, the second connecting component includes a mating slot provided on the bottom surface of the wrapping plastic shell 3, a longitudinal through hole 9 provided on the front and rear groove side walls of the mating slot, and two connecting screw holes provided on the wrapping plastic shell 3 on both sides of the mating slot, and the longitudinal through holes 9 on the front and rear groove side walls of the mating slot are staggered left and right, and the top of the vertical alloy connector 8 is provided with a plug-in protrusion 10 which can be inserted into the mating slot, and the plug-in protrusion 10 is provided with a longitudinal screw hole 11 which corresponds to the position of the longitudinal through hole 9 one by one, and the top of the vertical alloy connector 8 is provided with a connecting through hole 2 12 which corresponds to the position of the connecting screw hole 2, a fastening screw passes through the longitudinal through hole 9 and is screwed in the longitudinal screw hole 11, and a fastening screw passes through the connecting through hole 2 12 and is screwed in the connecting screw hole 2, so as to realize the fixation of the vertical alloy connector 8 and the wrapping plastic shell 3.

[0022] In addition, considering that part of the connection structure in the longitudinal connector 4 needs to be connected to the longitudinal rear side, in order to further reduce the difficulty of mold design, the main bracket also includes a longitudinal connection auxiliary part 13, and the longitudinal connector 4 is formed by the wrapping plastic shell 3 extending forward along the longitudinal direction. The longitudinal front end of the longitudinal connection auxiliary part 13 is fixedly connected to the longitudinal connector 4 or the wrapping plastic shell 3 through a connecting component three.

[0023] Similarly, in this embodiment, the connecting component three includes a connecting screw hole three 14 and a plug-in hole two 15 opened on the wrapping plastic shell 3 or the longitudinal connecting member 4, and the longitudinal connecting auxiliary member 13 is provided with a connecting through hole three 16 corresponding to the position of the connecting screw hole three 14, and a positioning column two 17 plugged into and matched with the plug-in hole two 15.

[0024] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A crossbeam support structure for an automobile instrument panel, comprising a main support, characterized in that: The main support comprises a sheet metal main cross beam (1), a vertical connecting member (2), and a wrapping plastic shell (3) and a longitudinal connecting member (4) integrally injection-molded on the sheet metal main cross beam (1); the vertical connecting member (2) and the wrapping plastic shell (3) are split structures and are fixed by a connecting assembly.

2. The automobile instrument panel crossbeam support structure according to claim 1, characterized in that: The connecting component comprises a positioning pin (5) formed by extending vertically downward from the bottom surface of the wrapping plastic shell (3), and a connecting screw hole provided on the bottom surface of the wrapping plastic shell (3); the top of the vertical connecting piece (2) is provided with a plug hole (6) plugged into the positioning pin (5), and a connecting through hole (7) corresponding to the position of the connecting screw hole; a fastening screw passes through the connecting through hole (7) and is screwed into the connecting screw hole to achieve the fixation of the vertical connecting piece (2) and the wrapping plastic shell (3).

3. The automobile instrument panel crossbeam support structure according to claim 1, characterized in that: The main support also includes a vertical alloy connector (8), the vertical alloy connector (8) and the wrapping plastic shell (3) are split structures and the two are fixed by connecting component two.

4. The automobile instrument panel crossbeam support structure according to claim 3, characterized in that: The second connection component includes a matching slot provided on the bottom surface of the wrapping plastic shell (3), a longitudinal through hole (9) provided on the front and rear side walls of the matching slot, and two connecting screw holes provided on the wrapping plastic shell (3) located on both sides of the matching slot, and the longitudinal through holes (9) on the front and rear side walls of the matching slot are staggered and distributed left and right. The top of the vertical alloy connector (8) is provided with an inserting protrusion (10) that can be inserted into the matching slot, and the inserting protrusion (10) is provided with a longitudinal screw hole (11) corresponding to the position of the longitudinal through hole (9). The top of the vertical alloy connector (8) is provided with a connecting through hole (12) corresponding to the position of the second connecting screw hole. A fastening screw passes through the longitudinal through hole (9) and is screwed into the longitudinal screw hole (11), and a fastening screw passes through the second connecting through hole (12) and is screwed into the second connecting screw hole, so as to achieve the fixation of the vertical alloy connector (8) and the wrapping plastic shell (3).

5. The automobile instrument panel crossbeam support structure according to claim 1, characterized in that: The main support also includes a longitudinal connecting auxiliary part (13), the longitudinal connecting part (4) is formed by the wrapping plastic shell (3) extending forward in the longitudinal direction, and the longitudinal front end of the longitudinal connecting auxiliary part (13) is fixedly connected to the longitudinal connecting part (4) or the wrapping plastic shell (3) through a connecting component three.

6. The automobile instrument panel crossbeam support structure according to claim 5, characterized in that: The connection component three comprises a connection screw hole three (14) and a plug-in hole two (15) provided on the wrapping plastic shell (3) or the longitudinal connection member (4); a connection through hole three (16) corresponding to the position of the connection screw hole three (14) and a positioning plug post two (17) plugged into and matched with the plug-in hole two (15) are provided on the longitudinal connection auxiliary member (13).

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